/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDRigidClustering.h
Force Release a particle at any level by making sure their parent particles are also release if necessary  this will force all particles including the ones in the parent chain to be made breakable
void ForceReleaseChildParticleAndParents ( [FPBDRigidClusteredParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidClusteredParticleHandle) * ChildClusteredParticle, bool bTriggerBreakEvents )